What's the difference between gradient and slope?

Gradient


Definition:

  • (a.) Moving by steps; walking; as, gradient automata.
  • (a.) Rising or descending by regular degrees of inclination; as, the gradient line of a railroad.
  • (a.) Adapted for walking, as the feet of certain birds.
  • (n.) The rate of regular or graded ascent or descent in a road; grade.
  • (n.) A part of a road which slopes upward or downward; a portion of a way not level; a grade.
  • (n.) The rate of increase or decrease of a variable magnitude, or the curve which represents it; as, a thermometric gradient.

Example Sentences:

  • (1) Apparently, the irradiation with visible light of a low intensity creates an additional proton gradient and thus stimulates a new replication and division cycle in the population of cells whose membranes do not have delta pH necessary for the initiation of these processes.
  • (2) Size analysis of the solubilized IgA IP employing sucrose density gradient ultracentrifugation, indicated that these were heterogeneous, with a size generally larger than 19 S.
  • (3) The pH gradient measured with dimethyloxazolidine-2,4-dione and acetylsalicylic acid was very small in both bacteria at a high pH above 8, and was not affected significantly by the addition of CCCP.
  • (4) Brief treadmill exercise tests showed appropriate rate response to increased walking speed and gradient.
  • (5) Histone mRNA, labeled with 32P or 3H-methionine during the S phase of partially synchronized HeLa cells, was isolated from the polyribosomes and purified as a "9S" component by sucrose gradient sedimentation.
  • (6) These results indicate that during IPPV the increased Pcv attenuates the pressure gradient for venous return and decreases CO and that the compensatory increase in Psf is caused by a blood shift from unstressed to stressed blood volume.
  • (7) Crossed immunoelectrophoresis and sucrose density gradient ultracentrifugation of the patient's plasma showed his prothrombin to be qualitatively indistinguishable from normal prothrombin by these techniques.
  • (8) The family history and associated anomalies were recorded and particular attention was paid to temperature gradients and neurocirculatory deficits with respect to band location.
  • (9) High velocity flow with a characteristic contour was recorded in patients with a significant gradient.
  • (10) Odds ratios were computed by multiple logistic regression analysis and revealed no additional relationships; however, there were suggested dose-response gradients for height, weight at age 20, and body surface area in the Japanese women and for breast size in the Caucasian women.
  • (11) This heretogeneity occurred mainly as a progressive, decreasing gradient in the first half of this pathway, between the rough endoplasmic reticulum and the mi-cisternae of the Golgi apparatus.
  • (12) Although the brain AP50 is prominently phosphorylated by an endogenous protein kinase in isolated coated vesicle preparations, the neuronal AP50 was not detectably phosphorylated in intact cells as assessed by two-dimensional non-equilibrium pH gradient gel electrophoresis of labeled cells dissolved directly in SDS-containing buffers.
  • (13) Thin layers of carbon (20 microns) and vacuoles (30 microns) suggested a large temperature gradient along the tissue ablation front.
  • (14) Samples are separated with a Perkoll gradient of densities (1.053, 1.069, 1.079 and 1.095).
  • (15) In conclusion, the ability of distal tubules to establish a significant pH gradient will contribute to the titration of non bicarbonate buffers, i.e., to titratable acid formation.
  • (16) From this proliferating layer, precursor cells migrate outwards to reach the developing neostriatum in a sequential fashion according to two gradients of histogenesis.
  • (17) At midclimax, adult and larval RBCs were separated on a Renografin continuous density gradient.
  • (18) After methylene blue, the gradient in resting potential across the circular layer was greatly reduced or abolished.
  • (19) The rhodamine 123-induced growth inhibition was partially reversed by treating the dye-pre-exposed infected erythrocytes with the proton ionophore carbonyl-cyanide m-chlorophenylhydrazone, which dissipates transmembrane proton gradients.
  • (20) Partially purified VLPs were found to sediment at 183S in sucrose gradients and to cross-react with antibody in acute phase sera from geographically isolated cases of ET-NANBH.

Slope


Definition:

  • (v. i.) An oblique direction; a line or direction including from a horizontal line or direction; also, sometimes, an inclination, as of one line or surface to another.
  • (v. i.) Any ground whose surface forms an angle with the plane of the horizon.
  • (a.) Sloping.
  • (adv.) In a sloping manner.
  • (v. t.) To form with a slope; to give an oblique or slanting direction to; to direct obliquely; to incline; to slant; as, to slope the ground in a garden; to slope a piece of cloth in cutting a garment.
  • (v. i.) To take an oblique direction; to be at an angle with the plane of the horizon; to incline; as, the ground slopes.
  • (v. i.) To depart; to disappear suddenly.

Example Sentences:

  • (1) In this review, we demonstrate that serum creatinine does not provide an adequate estimate of glomerular filtration rate (GFR), and contrary to recent teachings, that the slope of the reciprocal of serum creatinine vs time does not permit an accurate assessment of the rate of progression of renal disease.
  • (2) Regression curves indicate that although all three types of pulmonary edema can be characterized by slightly different slopes, the differences are statistically insignificant.
  • (3) With profound blockade, the slope of the edrophonium dose-response relationship was significantly flatter (P less than 0.05) than that of neostigmine.
  • (4) The slope of the thermal inactivation curve of enterotoxin A in beef bouillon (initial pH 6.2) was found to be approximately 27.8 C (50 F) with three different concentrations of toxin.
  • (5) The summary statistics examined are (a) the slope of the least-squares regression of the marker, (b) the average of the last r measurements, and (c) the difference between the averages of the last r and the first s measurements.
  • (6) A patient with mitral stenosis and atrial flutter was found to have a normal diastolic closure rate (E to F slope).
  • (7) With cortisol and cortisol-21-aldehyde, product inhibition patterns showed only slope effects with steroid product and NAD+, suggesting a "random" mechanism.
  • (8) A positive correlation was found between the content in the eluted cell fractions of LH and dynorphin-like immunoreactivity with a correlation coefficient and a slope of the regression line close to one.
  • (9) From the stress-strain curve the following values were selected: strain, stress, and slope at 80 mmHg equivalent pressure (1 mmHg = 133.3 Pa); maximum stress, strain, and slope; and breaking stress, strain, and slope if the sample broke.
  • (10) When age and smoking habits were controlled for, slope of phase III was significantly related to hospitalization due to respiratory disease in general and chronic obstructive pulmonary disease (COPD), whereas closing volume and closing capacity were marginally related to hospitalization due to respiratory disease in general but not to hospitalization due to COPD.
  • (11) To evaluate threshold estimates under these conditions, computer simulations of experiments with small numbers of trials were performed by using psychometric functions based on a model of two types of noise: stimulus-related noise (affecting slope) and extraneous noise (affecting upper asymptote).
  • (12) It is shown that when a constant current is applied such that a stable equilibrium and rhythmic firing are present, the following predictions are inherent in the HH system of equations: (a) Small instantaneous voltage perturbations to the axon given at points along its firing spike result in phase resetting curves (when new phase versus old phase is plotted) with an average slope of 1.
  • (13) A "peeling" technique was used to estimate the time constants (tau 0 and tau 1) and coefficients (a0 and a1) of the first two exponential terms of the series of exponential terms whose sum represented the slope of the voltage response.
  • (14) No significant correlation was found between the pulmonary valve e-f slope and the pulmonary artery pressures.
  • (15) We should be grateful the School Food Trust has established this now, before we end up falling down a slippery slope back towards the dreaded Turkey Twizzler that Jamie Oliver campaigned to banish," he added.
  • (16) With grievous amazement, never self-pitying but sometimes bordering on a sort of numbed wonderment, Levi records the day-to-day personal and social history of the camp, noting not only the fine gradations of his own descent, but the capacity of some prisoners to cut a deal and strike a bargain, while others, destined by their age or character for the gas ovens, follow "the slope down to the bottom, like streams that run down to the sea".
  • (17) The slope of Phase III in both N2 and He washouts was influenced in an inconstant fashion, probably reflecting differing contributions from topographic and intraregional inhomogeneities of ventilation in these subjects.
  • (18) The slope of this line was substantially steeper than the regression line slope for treadmill running.4.
  • (19) Pulmonary mean filling pressure increased and the slope-gradient of pulmonary VR-curve decreased, indicating an increased resistance to venous return from the pulmonary circulation.
  • (20) It is suggested that the measurement of functional residual capacity, closing volume, and the slope of the alveolar plateau (phase III in the single breath nitrogen washout technique) might give more valuable information.